Which of the following will liberate hydrogen by its reaction with hydrochloric acid?

Which of the following will liberate hydrogen by its reaction with hydrochloric acid?
A. Copper
B. phosphorus
C. Mercury
D. Magnesium

Monjur Alahi

4 views

2025-01-04 04:42

1 Answers

Salim Ahmed Kawsar

Correct Answer - D
Mg will react with dil. HCl to give `H_2`
`Mg+2HCltoMgCl_2+H_2`

4 views Answered 2023-02-05 15:29

Related Questions

The outer shell of an egg was dissolved in hydrochloric acid and than placed in concentrated NaCI solution. Which one of the following will happen ?

2 Answers 4 Views

The quantitiy of electricity required to liberate 112 `cm^(3)` of hydrogen at STP from acidified water is

2 Answers 4 Views

The reaction between yttrium metal Y and dilute hydrochloric acid produce `H_(2)`(g) and `Y^(3+)` ions. The molar ratio of yttrium used to hydrogen pr

2 Answers 4 Views

Two metals A and B have reduction potential values of -0.25 v and +0.80 V respectiely. Which of these will liberate hydrogen gas from dilute `H_(2)SO_

2 Answers 7 Views

A highly volatile carbon compound `(C_(2)H_(7)N)` which gives carbly amine reaction and is soluble in hydrochloric acid and the solution on treatment

2 Answers 4 Views

Which of the following compounds on hydrolysis by boiling hydrochloric acid form carboxylic acid ?

2 Answers 5 Views

Statement-1:Finely divided iron does not form ferric chloride with hydrochloric acid. Statement-2:Hydrochloric acid produces hydrogen gas with iron.

2 Answers 5 Views

If Phosphorous acid, Tetrathionic acid and Pyrophosphoric acid have number of acidic hydrogen per molecule respectively as x,y and z, then find value

2 Answers 5 Views

Statement-1:p-Hydroxybenzoic acid has a lower boiling point that o-Hydroxybenzoic acid. Statement-2:o-Hydroxybenzoic acid has intramolecular hydrogen

2 Answers 5 Views

Zinc reacts with dilute hydrochloric acid to give hydrogen at `17^(@)C`. The enthalpy of the reaction is `-12.55kJ` `mol^(-1)` of zinc and entropy cha

2 Answers 4 Views

এক্সাম দিয়ে মেধা যাচাই করুন

Job Preparation (1125)

Admission (754)

এসএসসি (10)

এইচএসসি (5)