Chemistry-
General
Easy
Question
The boiling point of ethanol is higher as compared to the boiling point of diethyl ether though both have the same molecular formula. This is due to:
- resonance
- H-bonding
- R-group
- covalent bonding
The correct answer is: H-bonding
Related Questions to study
Chemistry-
For one mole Df glycerol, moles of acetyl chloride required for complete acetylation are:
For one mole Df glycerol, moles of acetyl chloride required for complete acetylation are:
Chemistry-General
Physics-
Consider the two insulating sheets with thermal resistance R1 and R2 as shown in figure. The temperature q is
Consider the two insulating sheets with thermal resistance R1 and R2 as shown in figure. The temperature q is
Physics-General
Physics-
A horizontal cylinder has two sections of unequal cross-sections, in which two pistons can move freely. The pistons are joined by a string. Some gas is trapped between the pistons. If this gas is heated, the pistons will
A horizontal cylinder has two sections of unequal cross-sections, in which two pistons can move freely. The pistons are joined by a string. Some gas is trapped between the pistons. If this gas is heated, the pistons will
Physics-General
Physics-
Six identical conducting rods are joined as shown in figure. Points A and D are maintained at temperatures 200°C and 20°C respectively. The temperature of junction B will be
Six identical conducting rods are joined as shown in figure. Points A and D are maintained at temperatures 200°C and 20°C respectively. The temperature of junction B will be
Physics-General
Physics-
The figure shows two paths for the change of state of a gas from A to B. The ratio of molar heat capacities in path 1 and path 2 is
The figure shows two paths for the change of state of a gas from A to B. The ratio of molar heat capacities in path 1 and path 2 is
Physics-General
Physics-
One end of a conducting rod is maintained at temperature 50°C and at the other end ice is melting at 0°C. The rate of melting of ice is doubled if
One end of a conducting rod is maintained at temperature 50°C and at the other end ice is melting at 0°C. The rate of melting of ice is doubled if
Physics-General
Physics-
In a vertical U-tube containing a liquid, the two arms are maintained at different temperatures, t1 and t2. The liquid columns in the two arms have heights l1 and l2 respectively. The coefficient of volume expansion of the liquid is equal to
In a vertical U-tube containing a liquid, the two arms are maintained at different temperatures, t1 and t2. The liquid columns in the two arms have heights l1 and l2 respectively. The coefficient of volume expansion of the liquid is equal to
Physics-General
Physics-
A very light rod AB is initially hung from a point P by means of two identical copper wires of the same length as the rod as shown in the figure. Particles of masses 1 kg and 4 kg are then attached to the ends A and B of the rod. The ratio of the fundamental frequencies of vibration of the wires AP and BP, i.e., 
=
A very light rod AB is initially hung from a point P by means of two identical copper wires of the same length as the rod as shown in the figure. Particles of masses 1 kg and 4 kg are then attached to the ends A and B of the rod. The ratio of the fundamental frequencies of vibration of the wires AP and BP, i.e., =
Physics-General
Physics-
The figures represent two snaps of a travelling wave on a string of mass per unit length, 
= 0.25 kg/m. The two snaps are taken at time t = 0 and at 
s. Then
Figure I
Figure II
The figures represent two snaps of a travelling wave on a string of mass per unit length, = 0.25 kg/m. The two snaps are taken at time t = 0 and at s. Then
Figure I
Figure II
Physics-General
Physics-
Two blocks, each of mass m, are connected by a massless thread Y and A represent Young’s modulus and cross sectional area of wire respectively. The strain developed in the thread is
Two blocks, each of mass m, are connected by a massless thread Y and A represent Young’s modulus and cross sectional area of wire respectively. The strain developed in the thread is
Physics-General
Physics-
A string is hanging from a rigid support. A transverse wave pulse is set up at the bottom. The velocity v of the pulse related to the distance covered by it is given as
A string is hanging from a rigid support. A transverse wave pulse is set up at the bottom. The velocity v of the pulse related to the distance covered by it is given as
Physics-General
Physics-
At t=0 source starts falling under gravity and a detector is projected upwards with a velocity 10 m/s. For the vertical upward motion of detector
At t=0 source starts falling under gravity and a detector is projected upwards with a velocity 10 m/s. For the vertical upward motion of detector
Physics-General
Physics-
The amplitude of resulting wave dues to superposition of y1 = A sin (
t - kx) & y2 = A sin (t - kx + 
) is
The amplitude of resulting wave dues to superposition of y1 = A sin (t - kx) & y2 = A sin (t - kx + ) is
Physics-General
Physics-
When two simple harmonic motions of same periods, same amplitude, having phase difference of 3
/2, and at right angles to each other are super imposed, the resultant wave form is a
When two simple harmonic motions of same periods, same amplitude, having phase difference of 3/2, and at right angles to each other are super imposed, the resultant wave form is a
Physics-General
Physics-
When the displacement from the mean position is doubled, the quantity that will vary will be
When the displacement from the mean position is doubled, the quantity that will vary will be
Physics-General
