Which of the following compounds have colour due to d-d transition? A. KMnO4 B. K2Cr2O7 C. K2CrO4 D. CuSO4.5H2O

Q. Which of the following options contain amphoteric oxide(s) only? i. SnO2 and SiO ii. SiO2 iii. SnO2 and PbO2 iv. CO and SiO

On which of the following factors does the electrical conductivity of an electrolytic cell does not depend? i. Concentration of electrolyte ii. Amount of electrolyte added iii. Temperature iv. Nature of electrode

Q. Which of the following compounds is white in colour? i. ZnSO4 ii. CuSO4 iii. FeSO4 iv. FeCl3

Calculate the temperature (in K) at which kinetic energy of mono atomic gaseous molecule is equal to 0.414 ev (a) 3198 K (b) 319.8 K (c) 2500 K (d) 2900 K

During SN1 reaction which of the following statement is correct? (a) Inversion occurs (b) Retention occurs (c) Almost racemization (d) 100% racemization

Which type of linkage is present in nucleotide between base and sugar? (a) Peptide linkage (b) Glycosidic linkage (c) N-Glycosidic linkage (d) Amide linkage

Ethanol shows turbidity with lucas reagent (conc. HCl + anhydrous ZnCl2)? (a) Immediately (b) After 5 to 7 mins (c) Upon heating (d) After 10-12 mins

The electronic configuration of Neodymium (\(60\) Nd) is: (a) \([Xe] 4f^{4} 6s^{2}\) (b) \([Xe] 5f^{1}\) (c) \([Xe] 4f^{2} 6s^{2}\) (d) \([Xe] 5f^{4} 4d^{1}\)

Which of the following can not show variable oxidation state? (a) Chlorine (b) Fluorine (c) Bromine (d) Iodine