carbon and its compounds

How many bonds will a C atom form?

• 1

• 2

• 3

• 4

Tags

NGSS.MS-PS1-1

Covalent compounds

• have high melting and boiling point

• are mostly soluble in water

• are formed between atoms of metals and non-metals

• are formed by the sharing of electrons in the bonding atoms.

Which of the following is true for all hydrocarbon?

• They have carbon and hydrogen atoms only in the molecule.

• They have carbon, oxygen and hydrogen atoms in the molecule.

• They are in the same homologous series.

• They are saturated compounds.

Which of the following is the most important source of organic carbon compounds?

• Plants

• Animals

• Coal

• Petroleum

Which of the following is an alkane?

• C₃H₆

• C₄H₈

• C₅H₁₂

• C₆H₁₂

What are the products formed when propane is burnt in excess oxygen?

• Carbon and hydrogen

• Carbon dioxide and water

• Carbon monoxide and water

• Carbon monoxide and hydrogen

Which of the following compound is saturated hydrocarbon?

I CH₃CH₂CH₂CH₃

II CH₃CHC(CH₃)₂

III CH₃CH₂CH(CH₃)₂

IV CH₃CHCHCH₃

• I and III

• II and IV

• I, II and III

• I, III and IV

While cooking, if the bottom of the vessel is getting blackened on the outside, it means that:

• The food is not cooked completely

• The fuel is not burning completely

• The fuel is wet

• The fuel is burning completely

Cation is formed when

• Atom gains electrons

• Atom loses electrons

• Proton is lost by the atom

• Atom shares electrons

Which of the following is the molecular formula of cyclobutane?

• C₄H₁₀

• C₄H₆

• C₄H₈

• C₄H₄