# How many monochlorobutanes will be obtained on chlorination of n-butane

1.  1

2.  2

3.  3

4.  4

4

2

Explanation :
No Explanation available for this question

# To the Daniel cell CuSO4 is added to the right hand side half cell. The cell EMF

1.  Increases

2.  Decreases

3.  Does not change

4.  First increases and then decreases

4

Increases

Explanation :
No Explanation available for this question

# Three faradays of electricity are passed through molten Al2O3. Aqueous solution of CuSO4 and molten NaCl taken in three different electrolytic cells. The amount of Al, Cu and Na deposited at the c

1.  1 mole:2 mole:3 mole

2.  1 mole:1.5 mole:3 mole

3.  3 mole:2 mole:1 mole

4.  1 mole:1.5 mole:2 mole

4

1 mole:1.5 mole:3 mole

Explanation :
No Explanation available for this question

# The work done when a gas is compressed by an average pressure of 0.50 atm so as to decreases its volume from 400 cm3 to 200 cm3

1.  10.13 J

2.  20.13 J

3.  30.13 J

4.  40.13 J

4

10.13 J

Explanation :
No Explanation available for this question

# When a sample of gas expands from 4.0L to 12.0L against a constant pressure of 0.30 atm, the work involved is (1L ATM=101.35 J)

1.  243.19 J

2.  -243.19 J

3.  24.31 J

4.  -23.31J

4

-243.19 J

Explanation :
No Explanation available for this question

# If H++OH-→H2O.ΔH=-57.3 KJ, then the heat of neutralization for complete neutralization of 1 mole H2SO4 by a base is

1.  -57.3 KJ

2.  -114.6 KJ

3.  -28.65 KJ

4.  -14.3 KJ

4

-114.6 KJ

Explanation :
No Explanation available for this question

# A reaction will never be spontaneous at any temperature and pressure provided

1.  Δ S positive and Δ H positive

2.  Δ S positive and Δ H negative

3.  Δ S negative and Δ H positive

4.  Δ S negative and Δ H negative

4

Δ S negative and Δ H positive

Explanation :
No Explanation available for this question

# If ΔHrap of pure water at 1000C is 40.627 KJ mol-1. The value of ΔSrap is

1.  108.91 KJmol-1

2.  108.91 JK-1mol-1

3.  606.27 JK-1mol-1

4.  808.27 JK-1mol-1

4

108.91 JK-1mol-1

Explanation :
No Explanation available for this question

# Arrange the following in the order of their decreasing standard electrode potentials: Mg, K, Ba, Ca

1.  K, Ba, Ca, Mg

2.  Ba, Ca, K, Mg

3.  Ca, Mg, K, Ba

4.  Mg, Ca, Mg, K

4

Mg, Ca, Mg, K

Explanation :
No Explanation available for this question

1.  Na2S

2.  C4H4S

3.  Na2S2O3

4.  CH3SH

4