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
Medical
NEETAIIMS
Graduate Aptitude Test in Engineering
GATE CSEGATE ECEGATE EEGATE MEGATE CEGATE PIGATE IN
Civil Services
UPSC Civil Service
Defence
NDA
Staff Selection Commission
SSC CGL Tier I
CBSE
Class 12