The compound that is not a Lewis acid is-
1. CCl4
2. BeCl2
3. BF3
4. AlCl3
The conjugate acid of is
1.
2.
3.
4.
The pH of the neutralization point of 0.1 N ammonium hydroxide with 0.1 N HCl is
1. 1
2. 6
3. 9
4. 7
The compound whose 0.1 M solution is basic is
1. Ammonium acetate
2. Ammonium sulphate
3. Sodium acetate
4. Ammonium chloride
Fear or excitement, generally causes one to breathe rapidly and it results in the decrease of CO2 concentration in blood. In what way will it change the pH of blood?
1. pH will increase
2. pH will decrease
3. no change
4. pH will adjust to 7
A buffer solution can be prepared from a mixture of:
I. Sodium acetate and acetic acid in water
II. Sodium acetate and hydrochloric acid in water
III. Ammonia and ammonium chloride in water
IV. Ammonia and sodium hydroxide in water.
1. I, III, IV
2. III, IV
3. I, II, IV
4. I, III
Conjugate base of hydrazoic acid is:
1.
2.
3. Azide ion
4. Nitride ion
Which of the following are Lewis acids?
(i)
(ii)
(iii)
(iv)
1. (i) and (iii)
2. (i) and (ii)
3. (i) and (iv)
4. (iii) and (iv)