{Na}_{2} {Cr}_{2} {O}_{7} \stackrel{{NaCl}{ ─────▸}}_{{H}_{2} {SO}_{4}} {{X}}_{\text{(Contains chromium })} {n}- hep tane \stackrel{{Cr}{ ─────▸}_{2} {O}_{3}}_{{773 {K}}{10-20 {atm}}} {Y} Y\stackrel{i)X}{ ─────▸}_{ii) H_3 O^{+}}Z Number of oxygen atom in Z is ?

JEE Advanced 2021 Full Test 3 Paper 1

PART – II

Chemistry

SECTION – A (One Options Correct Type)
This section contains 06 multiple choice questions. Each question has four choices (A), (B), (C) and (D), out of which ONLY ONE option is correct.

Question : 23 of 54

Marks: +1, -0

Na2Cr2O7

NaCl

─────▸

H2SO4

(Contains chromium )

n− hep tane

Cr2O3

─────▸

773K10−20atm

Y
Y

i)‌X

─────▸

ii)‌H3‌O+

Z
Number of oxygen atom in Z is ?

Validate

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