Organic Chemistry — Chemistry STD 10 — Question

When lead acetate solution is added in dilute sulphuric acid the precipitate formed is ________ [yellow/white] in colour and ________ in all acids. [soluble/insoluble]

Conversion of ethene to ethane is an example of ________ .[hydration/hydrogenation]

Organic compounds are essentially_________compounds. They
show ___________Reaction and their rates are ___________.

___________ single covalent bonds are formed between the carbon and chlorine atoms.

When an atom or an ion loses an electron, it is said to be ________. (oxidised/reduced)

Non-metallic ions are ________, (cations/anions) because they ________ (gain/lose) electrons.

One of the products of combustion of organic compounds is
always__________

Element X is a metal with a valency 2. Element Y is a non-metal with a valency 3.
If the compound formed between X and Y is melted and an electric current passed through the molten compound, the element X will be obtained at the _____ and Y at the _________of the electrolytic cell.(Provide the missing words)

The atomic size __________ as we move left to right across the period, because the __________ increases but the __________ remains the same.

Non-metals form acidic oxides while metals form ______.