(English Medium) ICSE Class 10 - CISCE Question Bank Solutions for Chemistry

Give the structural formula of the following organic compound:

Methanal

Give the structural formula of the following organic compound:

But-2-yne

Identify the cation in the following case:

Sodium hydroxide solution when added to Solution C gives a white precipitate which is insoluble in excess of sodium hydroxide solution.

The Empirical formula of an organic compound is CHCl₂.

If its relative molecular mass is 168, what is its molecular formula?

[At. Wt. C = 12, H = 1, Cl = 35.5]

State one relevant observation for the following:

To the copper nitrate solution, initially, few drops of sodium hydroxide solution is added and then added in excess.

Calculate:

Write the empirical formula of C₈H₁₈.

Explain the following:

\[\ce{H3PO3}\] is not a tribasic acid.

State which of the two - a solution of HCl in water or in toluene is an electrolyte. Explain.

Study the flow chart and give balanced equations with conditions for the conversions A, B, C, D, and E.

State which of the two - a solution of HCl in water or in toluene is an electrolyte. Explain.

State which of the two - a solution of HCl in water or in toluene is an electrolyte. Explain.

State which of the two - a solution of HCl in water or in toluene is an electrolyte. Explain.

The metal nitrate which on thermal decomposition forms a black residue is ______.

Give the IUPAC name of the organic compound represented by the structural formula given below:

\[\begin{array}{cc}
\ce{H}\phantom{...}\ce{Cl}\phantom{..}\ce{H}\phantom{...}\ce{H}\phantom{...}\ce{H}\\
|\phantom{....}|\phantom{....}|\phantom{....}|\phantom{....}|\\
\ce{H - C - C - C - C - C - H}\\
|\phantom{....}|\phantom{....}|\phantom{....}|\phantom{....}|\\
\ce{H}\phantom{...}\ce{H}\phantom{...}\ce{Cl}\phantom{..}\ce{H}\phantom{...}\ce{H}\end{array}\]

Give the IUPAC name of the organic compound represented by the structural formula given below:

\[\begin{array}{cc}
\phantom{.}\ce{H\phantom{...}H\phantom{...}O}\phantom{..}\\
\phantom{.}|\phantom{....}|\phantom{....}||\phantom{..}\\
\ce{H - C - C - C - OH}\\
\phantom{}|\phantom{....}|\phantom{......}\\
\phantom{}\ce{H\phantom{...}H}\phantom{......}
\end{array}\]

The compound which does not have a double bond in its structure.

The compound in its pure form turns into an ice like solid on cooling.

The compound which is used for artificial ripening of fruits.

Identify the gas evolved in the following reaction:

Copper carbonate is heated.

Give a balanced equation for the following reaction:

Copper reacts with concentrated nitric acid.