Chemistry-
General
Easy

Question

Ionizatioenergieofive elements in kcal/moargivebelow:

Which of the following pair represents elements of same group?

  1. Q, R    
  2. P, Q    
  3. P, S    
  4. Q, S    

The correct answer is: Q, R

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General
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Ionizatioenergieofive elements in kcal/moargivebelow:

If Q reacts with fluorine and oxygen, the molecular formula of fluoride and oxide will be respectively:

Ionizatioenergieofive elements in kcal/moargivebelow:

If Q reacts with fluorine and oxygen, the molecular formula of fluoride and oxide will be respectively:

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Ionizatioenergieofive elements in kcal/moargivebelow:

Which is non-metal (excluding noble gas)?

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Which is non-metal (excluding noble gas)?

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The ground state electronic configurations of the elements, U, V, W, X, and Y (these symbols do not have any chemical significance) are as follows

U: 1 s squared 2 s squared 2 p cubed

V:1 s squared 2 s squared 2 p to the power of 6 3 s to the power of 1

W:1 s squared 2 s squared 2 p to the power of 6 3 s squared 3 p squared

X:1 s squared 2 s squared 2 p to the power of 6 3 s squared 3 p to the power of 6 3 d to the power of 5 4 s squared

Y:1 s squared 2 s squared 2 p to the power of 6 3 s squared 3 p to the power of 6 3 d to the power of 10 4 s squared 4 p to the power of 6

Determine which sequence of elements satisfy the following statements:

i) Element forms a carbonate which is not decomposed by heating

ii) Element is most likely to form coloured ionic compounds

iii) Element has largest atomic radius

iv) Element forms only acidic oxide

The ground state electronic configurations of the elements, U, V, W, X, and Y (these symbols do not have any chemical significance) are as follows

U: 1 s squared 2 s squared 2 p cubed

V:1 s squared 2 s squared 2 p to the power of 6 3 s to the power of 1

W:1 s squared 2 s squared 2 p to the power of 6 3 s squared 3 p squared

X:1 s squared 2 s squared 2 p to the power of 6 3 s squared 3 p to the power of 6 3 d to the power of 5 4 s squared

Y:1 s squared 2 s squared 2 p to the power of 6 3 s squared 3 p to the power of 6 3 d to the power of 10 4 s squared 4 p to the power of 6

Determine which sequence of elements satisfy the following statements:

i) Element forms a carbonate which is not decomposed by heating

ii) Element is most likely to form coloured ionic compounds

iii) Element has largest atomic radius

iv) Element forms only acidic oxide

chemistry-General
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Ionizatioenergieofive elements in kcal/moargivebelow:

Which element form stable unipositive ion ?

Ionizatioenergieofive elements in kcal/moargivebelow:

Which element form stable unipositive ion ?

chemistry-General
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Ionizatioenergieofive elements in kcal/moargivebelow:

Which element is a noble gas?

Ionizatioenergieofive elements in kcal/moargivebelow:

Which element is a noble gas?

chemistry-General
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Following graph shows variation of I.P. with atomic number in second period (Li-Ne). Value of I.P. of Na(11) will be -

Following graph shows variation of I.P. with atomic number in second period (Li-Ne). Value of I.P. of Na(11) will be -

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Pd has exceptional outer electronic configuration as 4 d to the power of 10 end exponent 5 s to the power of 0 end exponent, it belong to -

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chemistry-General
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In the general electronic configuration left parenthesis n minus 2 right parenthesis f to the power of 1 minus 14 end exponent left parenthesis n minus 1 right parenthesis d to the power of 0 minus 1 end exponent n s to the power of 2 end exponent, if value of n=7 the configuration will be -

In the general electronic configuration left parenthesis n minus 2 right parenthesis f to the power of 1 minus 14 end exponent left parenthesis n minus 1 right parenthesis d to the power of 0 minus 1 end exponent n s to the power of 2 end exponent, if value of n=7 the configuration will be -

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stretchy integral subscript 0 end subscript superscript 100 end superscript   Sin invisible function application open parentheses x minus open square brackets x close square brackets close parentheses pi d x equals

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The adjoining diagram shows three soap bubbles A, B and C prepared by blowing the capillary tube fitted with stop cocks S, S subscript 1 end subscript comma S subscript 2 end subscript and S subscript 3 end subscript with stop cock S closed and stop cocks S subscript 1 end subscript comma S subscript 2 end subscript and S subscript 3 end subscript opened :–

The adjoining diagram shows three soap bubbles A, B and C prepared by blowing the capillary tube fitted with stop cocks S, S subscript 1 end subscript comma S subscript 2 end subscript and S subscript 3 end subscript with stop cock S closed and stop cocks S subscript 1 end subscript comma S subscript 2 end subscript and S subscript 3 end subscript opened :–

physics-General
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The load versus elongation graph for four wires of the same material and same length is shown in the figure. The thinnest wire is represented by the line

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physics-General
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A cylindrical container of length L is full to the brim with a liquid which has mass density rho. It is placed on a weight scale; the scale reading is w. A light ball which would float on the liquid if allowed to do so, of volume V and mass m is pushed gently down and held beneath the surface of the liquid with a rigid rod of negligible volume as shown on the left. If instead of being pushed down by a rod, the ball is held in place by a thin string attached to the bottom of the container as shown on the right. What is the tension T in the string?

A cylindrical container of length L is full to the brim with a liquid which has mass density rho. It is placed on a weight scale; the scale reading is w. A light ball which would float on the liquid if allowed to do so, of volume V and mass m is pushed gently down and held beneath the surface of the liquid with a rigid rod of negligible volume as shown on the left. If instead of being pushed down by a rod, the ball is held in place by a thin string attached to the bottom of the container as shown on the right. What is the tension T in the string?

physics-General
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A cylindrical container of length L is full to the brim with a liquid which has mass density rho. It is placed on a weight scale; the scale reading is w. A light ball which would float on the liquid if allowed to do so, of volume V and mass m is pushed gently down and held beneath the surface of the liquid with a rigid rod of negligible volume as shown on the left. What is the reading of the scale when the ball is fully immersed

A cylindrical container of length L is full to the brim with a liquid which has mass density rho. It is placed on a weight scale; the scale reading is w. A light ball which would float on the liquid if allowed to do so, of volume V and mass m is pushed gently down and held beneath the surface of the liquid with a rigid rod of negligible volume as shown on the left. What is the reading of the scale when the ball is fully immersed

physics-General
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A cylindrical container of length L is full to the brim with a liquid which has mass density rho. It is placed on a weigh tscale; the scale reading is w. A light ball which would float on the liquid if allowed to do so, of volume V and mass m is pushed gently down and held beneath the surface of the liquid with a rigid rod of negligible volume as shown on the left. What is the mass M of liquid which overflowed while the ball was being pushed into the liquid?

A cylindrical container of length L is full to the brim with a liquid which has mass density rho. It is placed on a weigh tscale; the scale reading is w. A light ball which would float on the liquid if allowed to do so, of volume V and mass m is pushed gently down and held beneath the surface of the liquid with a rigid rod of negligible volume as shown on the left. What is the mass M of liquid which overflowed while the ball was being pushed into the liquid?

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Velocity of efflux in Torricelli's theorem is given by v equals square root of 2 g h end root, here h is the height of hole from the top surface, after that, motion of liquid can be treated as projectile motion. At what distance from point O, will be liquid strike on the ground?

Velocity of efflux in Torricelli's theorem is given by v equals square root of 2 g h end root, here h is the height of hole from the top surface, after that, motion of liquid can be treated as projectile motion. At what distance from point O, will be liquid strike on the ground?

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