Hydrogen chloride - class-XII
Description: hydrogen chloride | |
Number of Questions: 46 | |
Created by: Sangita Pandit | |
Tags: p- block elements-ii p-block elements chemistry the p-block elements |
When three parts of conc. HCl and one part of conc. $HNO _{3}$ is mixed, a compound 'X' is formed. The correct option related to 'X' is:
A and B are two gases. A is identified with the glass rod dipped in $NH _3$ and $\mathrm{B}$ is identified with the glass rod dipped in $HCl$. Then A and B are :
When vanilla extract added to _______ it still retains the sweet pleasant smell.
Statement I: $HCl$ is considered to be an acid.
Statement II: $HCl$ is a proton donor.
The reaction of zinc metal and $HCl$ produces which of the following?
i. $H _2(g)$
ii. $Cl _2(g)$
iii. $ZnCl _2(aq)$
Which of the following acids is capable of dissolving gold?
Which of the following scientist gave the name hydrochloric acid to $HCl$?
$HCl$ gas can fume in moist air.
Chlorine gas removes hydrogen from $H _2S$ solution, forming HCl and leaving behind sulphur.
There are two colourless solutions (A) and (B), both give white ppt with $AgNO _3$ which dissolves in $aq \, NH _3$. Also (A) on reaction with $H _2O$ gives orange turbidity while (B) gives white turbidity. Identify (A) and (B).
$\displaystyle { HCl(g) }$ and $\displaystyle { HCl (aq) }$ have different behaviour towards litmus.
Aqua-regia dissolves gold.
which is correct?
What is the pH number of hydrochloric acid?
What if hydrochloric acid comes in contact with a metal such as magnesium?
Which of the follwoing statements is correct?
Which one of the following substances is formed by the reaction of potassium permanganate on concentrated by hydrochloric acid?
A glass rod dipped in ammonia solution is brought near the mouth of the $HCl$ gas, then:
A solution of hydrogen chloride gas was named as :
$HCl$ occurs in:
A piece of zinc may be distinguished from a piece of magnesium by:
(1) determining which conducts electricity
(2) determining which releases $H _2$ gas from a 1-molar hydrochloric acid solution
(3) measuring the density of each
Which of the following are the sources of hydrochloric acid?
Which of the following name is given to the hydrochloric acid by Lavoiser?
$HCl$ is present in which of the following things?
A mixture of $ZnCl _2$ and $PbCl _2$ can be separated by:
The $pK _{a}$ of oxoacids of chlorine in water follows the order:
$HCl$ is soluble in organic solvents such as benzene and toluene.
When manganese dioxide is treated with $HCl$,oxidation state of chlorine on the product side is:
Which of the following is a good conductor of electricity?
When carbonates are reacted with $HCl$, the gas evolved is:
Molecule mass of HCl is :
Spirit of salt is the other name of :
The metal that cannot displace hydrogen from dilute hydrochlocric acid is
Name the ion(s) obtained when $HCl$ dissociates in aqueous solution.
Equations relating to acidic properties of an aq. solution of HCl gas is/are :
Which of the following has pungent odour?
Statement I : The reactivity of powdered zinc will be greater than the larger piece of zinc of the same mass with $\displaystyle HCl$.
Statement II : The larger piece of zinc of the same mass has more surface area than the powdered zinc.
Which of the following is produced by the reaction of zinc metal, $Zn$ and hydrochloric acid, $HCl$?
I. $H _2(g)$
II. $Cl _2(g)$
III. $Zn^{2+}(aq)$
The addition of dilute $HCl$ to unknown metal produced a transparent gas. What is the likely identity of this gas?
$CaO(s)+H _3O^++Cl^-\longrightarrow$
Addition of solid calcium oxide to a solution of hydrochloric acid as given, results in the formation of:
(1) $Ca^{2+}$
(2) $H _2O$
(3) $H _2$
The concentrated $HCl$ acid strongly fumes in_________.
All metals on reaction with $HCl$ liberate $H _{2}$ gas.
The boiling point of the hydrochloric acid varies with its concentration.