Chlorine is in +1 oxidation state in which of the following
Chlorine is in +1 oxidation state in which of the following
Options
(a) HCl (b) Cl₂O (c) HClO₄ (d) Cl₂
Correct Answer:
Cl₂O
Explanation:
Let x be the oxidation number of Cl […]
P Block Elements in Group 15
Which is weakest acid
Which is weakest acid
Options
(a) HI (b) HBr (c) HCl (d) HF
Correct Answer:
HF
Explanation:
No explanation available. Be the first to write the explanation for this question by commenting […]
Urea is preferred to ammonium sulphate as a nitrogeneous fertilizer because
Urea is preferred to ammonium sulphate as a nitrogeneous fertilizer because
Options
(a) it is more soluble in water (b) it is cheaper than ammonium sulphate (c) it is quite stable (d) it […]
Which of the following statements is correct
Which of the following statements is correct
Options
(a) All halogens except fluorine form oxy acid (b) All halogens form oxy acid (c) Only chlorine and bromine form oxy acid (d) Only iodine […]
The number of acidic protons in H₃PO₃ are
The number of acidic protons in H₃PO₃ are
Options
(a) 0 (b) 1 (c) 2 (d) 3
Correct Answer:
2
Explanation:
No explanation available. Be the first to write the explanation for this […]
NO₂ is not obtained on heating
NO₂ is not obtained on heating
Options
(a) AgNO₃ (b) KNO₃ (c) Cu(NO₃)₂ (d) Pb(NO₃)₂
Correct Answer:
KNO₃
Explanation:
NO₂ is prepared by heating nitrates of heavy metals. 2pb(NO₃)₂ → 2pbO + 4NO₂ […]
Which of the following is used to prepare Cl₂ gas at room temperature from
Which of the following is used to prepare Cl₂ gas at room temperature from concentrated HCl
Options
(a) MnO₂ (b) H₂S (c) KMnO₄ (d) Cr₂O₃
Correct Answer:
KMnO₄
Explanation:
KMnO₄ oxidised halogen acids to […]
The reaction that takes place when Cl₂ gas is passed through conc.NaOH solution
The reaction that takes place when Cl₂ gas is passed through conc.NaOH solution is
Options
(a) oxidation (b) reduction (c) displacement (d) disproportionation
Correct Answer:
disproportionation
Explanation:
3Cl₂ + 6NaOH → 5NaCl + […]
Atoms in a P₄ molecule of white phosphorus are arranged regularly in the follow
Atoms in a P₄ molecule of white phosphorus are arranged regularly in the following way
Options
(a) at the corners of a cube (b) at the corners of an octahedron (c) at the […]
Which of the following is a tribasic acid
Which of the following is a tribasic acid
Options
(a) hypophosphorous acid (b) phosphorous acid (c) Orthophosphoric acid (d) pyrophosphoric acid
Correct Answer:
Orthophosphoric acid
Explanation:
No explanation available. Be the first to […]