SATHEE: D-And F-Block Elements Ques 77

D-And F-Block Elements Ques 77

Question: Which of the following metal gives hydrogen gas, when heated with hot concentrated alkali

[Pb. CET 2002]

Options:

A) Cu

B) Ag

C) Zn

D) Ni

Show Answer

Answer:

Correct Answer: C

Solution:

$Z n + \underset{C o n c .}{N a O H}, \to \underset{Sodium zincate}{N a_{2} Z n O_{2}}, + \underset{H y d r o g e n}{H_{2}},$ Thus in this reaction hydrogen gas is produced when zinc is treated with concentrated NaOH.

D-And F-Block Elements Ques 77

Question: Which of the following metal gives hydrogen gas, when heated with hot concentrated alkali

Options:

Answer:

Solution:

Engineering Preparation

Medical Preparation

NCERT Books & Solutions

Important Resources

Other Resources

Syllabus

Test Platform

Sample Mock Test

Mentorship

NCERT Exercise Video Solution

D-And F-Block Elements Ques 77

Question: Which of the following metal gives hydrogen gas, when heated with hot concentrated alkali

Options:

Answer:

Solution:

Engineering Preparation

Medical Preparation

NCERT Books & Solutions

Important Resources

Other Resources

Syllabus

Test Platform

Sample Mock Test

Mentorship

NCERT Exercise Video Solution

Menu