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Chemistry-

General

Easy

Question

The highest oxidation state achieved by a transition metal is given by -

ns electrons
$(n - 1) d$ electrons
$(n + 1) d$ electrons
$n s + (n - 1) d$ unpaired electrons

The correct answer is: $n s plus left parenthesis n minus 1 right parenthesis d$ unpaired electrons

Related Questions to study

Three arrangements are shown for the complex, $open ceil C o left parenthesis e n right parenthesis open parentheses N H subscript 3 end subscript close parentheses subscript 2 end subscript B r subscript 2 end subscript close square brackets to the power of plus end exponent$ . Which one is the wrong statement –
I)
II)
III)

Three arrangements are shown for the complex, $open ceil C o left parenthesis e n right parenthesis open parentheses N H subscript 3 end subscript close parentheses subscript 2 end subscript B r subscript 2 end subscript close square brackets to the power of plus end exponent$ . Which one is the wrong statement –
I)
II)
III)

chemistry-General

The p.d between the terminals A & B is

The p.d between the terminals A & B is

physics-General

For the circuit shown in the figure, potential difference between points A and B is 16V Find the current passing through 2 $capital omega$

For the circuit shown in the figure, potential difference between points A and B is 16V Find the current passing through 2 $capital omega$

physics-General

parallel

A group of N cells where e.m.f varies directly with the internal resistance as per the equation E_N = 1.5 r_N are connected as shown in the figure The current I in the circuit is:

A group of N cells where e.m.f varies directly with the internal resistance as per the equation E_N = 1.5 r_N are connected as shown in the figure The current I in the circuit is:

physics-General

ABCD is a square where each side is a uniform wire of resistance 1 $capital omega$ A point E lies on CD such that if a uniform wire of resistance 1 $capital omega$ is connected across AE and constant potential difference is applied across A and C, then B and E are equipotential

ABCD is a square where each side is a uniform wire of resistance 1 $capital omega$ A point E lies on CD such that if a uniform wire of resistance 1 $capital omega$ is connected across AE and constant potential difference is applied across A and C, then B and E are equipotential

physics-General

The resistance of a semicircle shown in fig between its two end faces is (Given that radial thickness = 3 cm, axial thickness = 4 cm, inner radius = 6 cm and resistivity $open equals 4 cross times 10 to the power of negative 6 end exponent capital omega c m close parentheses$

The resistance of a semicircle shown in fig between its two end faces is (Given that radial thickness = 3 cm, axial thickness = 4 cm, inner radius = 6 cm and resistivity $open equals 4 cross times 10 to the power of negative 6 end exponent capital omega c m close parentheses$

physics-General

parallel

The potential difference between the points A and B is

The potential difference between the points A and B is

physics-General

Find the equivalent resistance across AB:

Find the equivalent resistance across AB:

physics-General

Shown in the figure below is a meter-bridge set up with null deflection in the galvanometer

The vlaue of the unknown resistor R is

Shown in the figure below is a meter-bridge set up with null deflection in the galvanometer

The vlaue of the unknown resistor R is

physics-General

parallel

A 5V battery with internal resistance 2 $capital omega$ and a 2V battery with internal resistance 1 $capital omega$ are connected to a 10 $capital omega$ resistor as shown in the figure

The current in the 10 $capital omega$ resistor is

A 5V battery with internal resistance 2 $capital omega$ and a 2V battery with internal resistance 1 $capital omega$ are connected to a 10 $capital omega$ resistor as shown in the figure

The current in the 10 $capital omega$ resistor is

physics-General

In the given circuit which is a part of a closed cirucit the current i₁, i₂ are respectively

In the given circuit which is a part of a closed cirucit the current i₁, i₂ are respectively

physics-General

The current i drawn from the 5volt source will be

The current i drawn from the 5volt source will be

physics-General

parallel

The e m f of a cell E is 15 V as shown in the figure with an internal resistance of 0.5 $capital omega$ Then the value of the current drawn from the cell is

The e m f of a cell E is 15 V as shown in the figure with an internal resistance of 0.5 $capital omega$ Then the value of the current drawn from the cell is

physics-General

For a cell the graph between the p.d(v) across the terminals of the cells and the current (I) drawn from the cell as shown The e m f and inernal resistance is

For a cell the graph between the p.d(v) across the terminals of the cells and the current (I) drawn from the cell as shown The e m f and inernal resistance is

physics-General

Voltmeter reading in the given circuit is (voltmeter is ideal)

Voltmeter reading in the given circuit is (voltmeter is ideal)

physics-General

parallel

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