1
VITEEE 2024
MCQ (Single Correct Answer)
+1
-0

When diluted $\mathrm{H}_2 \mathrm{SO}_4$ is added to aqueous solution of potassium chromate, yellow colour solution turns to orange colour. This signifies that

A
chromate ions are reduced.
B
chromate ions are oxidised.
C
monocentric complex is converted into dicentric complex.
D
oxygen gel removed from chromate ions.
2
VITEEE 2024
MCQ (Single Correct Answer)
+1
-0

How long should water be electrolysed by passing through 100 amperes current so that oxygen released can completely burn 27.66 g of diborane? (Weight of $B=10.8 \mathrm{u}$ )

A
3.2 h
B
1.8 h
C
2 h
D
3.6 h
3
VITEEE 2024
MCQ (Single Correct Answer)
+1
-0

Match List I with List II.

List I (Mixture) List II (Property use to distinguish)
A. 1-butyne, 2-butyne I. Zinc dust distillation
B. $\mathrm{C}_6 \mathrm{H}_6, \mathrm{CH}_2=\mathrm{CH}_2$ II. Tollen's reagent
C. $\mathrm{C}_6 \mathrm{H}_6, \mathrm{C}_6 \mathrm{H}_{14}$ III. Baeyer's reagent
D. Benzene, phenol IV. Shooty flame test

Choose the correct answer from the options given below

A
  A-II, B-III, C-IV, D-I
B
A-II, B-III, C-I, D-IV
C
A-III, B-II, C-IV, D-I
D
A-II, B-IV, C-III, D-I
4
VITEEE 2024
MCQ (Single Correct Answer)
+1
-0

How many moles of potassium dichromate oxidises 1 mole of ferrous oxalate in acidic medium?

A
0.5 mole
B
1.0 mole
C
2.0 mole
D
2.5 mole
EXAM MAP