Which one of the following is a buffer solution ?

A. Brine
B. Blood
C. Glue
D. Solution of cuso4

Solution having the property of a very little change in pH on adding a small amount of strong acid or base is called________________?

A. Buffer solution
B. Normal solution
C. Standard solution
D. Neutral solution

Conjugated base of a weak acid is_________________?

A. Weak
B. Strong
C. Moderately weak
D. Unstable

Kc value has_______________?

A. No units
B. Units
C. Both a & b
D. None

Sodium benzoate and benzoic acid are mixed in equimolar ration to form buffer if pKa is 2 what will be the pH ?

A. 0
B. 1
C. 2
D. Any one

Unit of Kc is_______________?

A. Moles2dm+6
B. Moles-2dm+6
C. Moles+2dm-6
D. Kc may or may not have units

Rate expression for ammonia synthesis is___________________?

A. Kc=x2/(a-x)(b-x)
B. Kc=x2/v(a-x)
C. Kc=4×2/(a-2x)2(b-x)
D. Kc=4x2v2/(a-x)(b-3x)3

Catalyst used to speed up the reaction of ammonia synthesis is________________________?

A. V2o5
B. V2o5 and pt
C. Fe
D. Pieces of fe crystals are embedded in fused mixture of mgo al2o3 and sio2

By the addition of base in waterpH will be_______________?

A. More than 7
B. Less than 7
C. Equal to 7
D. No effect

Negative log of mular concentration of H+ ions is called___________________?

A. Ph
B. Poh
C. Pka
D. Pkw