A solid compound $$'X'$$ on heating gives $$C{O_2}$$ gas and a residue. The residue mixed with water forms $$'Y'.$$ On passing an excess of $$C{O_2}$$ through $$'Y'$$ in water, a clear solution $$'Z',$$ is obtained. On boiling $$'Z',$$ compound $$'X'$$ is reformed. The compound $$'X'$$ is

Question

A solid compound $$'X'$$ on heating gives $$C{O_2}$$ gas and a residue. The residue mixed with water forms $$'Y'.$$ On passing an excess of $$C{O_2}$$ through $$'Y'$$ in water, a clear solution $$'Z',$$ is obtained. On boiling $$'Z',$$ compound $$'X'$$ is reformed. The compound $$'X'$$ is

A. $$Ca{\left( {HC{O_3}} \right)_2}$$

B. $$CaC{O_3}$$

C. $$N{a_2}C{O_3}$$

D. $${K_2}C{O_3}$$

Answer : $$CaC{O_3}$$

Solution :
S - Block Elements mcq solution image

The given properties coincide with $$CaC{O_3}$$
S - Block Elements mcq solution image

Releted MCQ Question on
Inorganic Chemistry >> S - Block Elements

Releted Question 1

A substance absorbs $$C{O_2}$$ and voilently reacts with water. The substance is

A. $$CaC{O_3}$$

B. $$CaO$$

C. $${H_2}S{O_4}$$

D. $$ZnO$$

View Answer

Releted Question 2

Calcium is obtained by

A. electrolysis of molten $$CaC{l_2}.$$

B. electrolysis of solution of $$CaC{l_2}$$ in water.

C. Reduction of $$CaC{l_2}$$ with carbon.

D. roasting of limestone.

View Answer

Releted Question 3

A solution of sodium metal in liquid ammonia is strongly reducing due to the presence of

A. sodium atoms

B. sodium hydride

C. sodium amide

D. solvated electrons

View Answer

Releted Question 4

The hydration energy of $$M{g^{ + + }}$$ is larger than that of :

A. $$A{l^{3 + }}$$

B. $$N{a^ + }$$

C. $$B{e^{ + + }}$$

D. $$M{g^{3 + }}$$

View Answer

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Physical Chemistry Some Basic Concepts in Chemistry Stoichiometry States of Matter Solid, Liquid and Gas Atomic Structure Chemical Thermodynamics Solutions Solid State Surface Chemistry Chemical Equilibrium Ionic Equilibrium Chemical Kinetics Redox Reaction Electrochemistry Nuclear Chemistry

Inorganic Chemistry Chemical Bonding and Molecular Structure Ores and Metallurgy Classification of Elements and Periodicity in Properties Hydrogen S - Block Elements P - Block Elements D and F Block Elements Co - ordination Compounds Qualitative Analysis Preparation and Properties of Compounds Environmental Chemistry

Organic Chemistry General Organic Chemistry Isomerism Purification and Characterisation of Organic Compounds Hydrocarbons (Alkane, Alkene and Alkyne)Aromatic hydrocarbon Electrophilic Aromatic Substitution (Haloalkanes and Haloarenes)Alkyl and Aryl Halide Reactions on Benzene Alcohol, Phenol and Ether Aldehyde and Ketone Carboxylic Acid Organic Compounds Containing Nitrogen Name Reactions Polymers Biomolecules Chemistry in Everyday Life Practical Organic Chemistry

A solid compound $$'X'$$ on heating gives $$C{O_2}$$ gas and a residue. The residue mixed with water forms $$'Y'.$$ On passing an excess of $$C{O_2}$$ through $$'Y'$$ in water, a clear solution $$'Z',$$ is obtained. On boiling $$'Z',$$ compound $$'X'$$ is reformed. The compound $$'X'$$ is

Releted MCQ Question on Inorganic Chemistry >> S - Block Elements

A substance absorbs $$C{O_2}$$ and voilently reacts with water. The substance is

Calcium is obtained by

A solution of sodium metal in liquid ammonia is strongly reducing due to the presence of

The hydration energy of $$M{g^{ + + }}$$ is larger than that of :

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S - Block Elements