a) electronegativity and atomic radius b) electronegativity and electro gain enthalpy c) atomic radius and electronegativity d) electro gain enthalpy... View Article
a) Li2+ stable Li2−unstable b) Li2+ unstable Li2−unstable c) Li2+ unstable Li2− unstable d) Li2+ stable Li2– stable Answer (c)... View Article
a) Malachite b) Azurite c) Copper pyrite d) None of these Answer: (c) Malachite – Copper ore CuCO3 Cu(OH)2 .... View Article
a) Ca(NO3)2 b) Mg(NO3)2 c) Sr(NO3)2 d) Ba(NO3)2 Answer: (d) •It depends on the polarization power of cation. • The... View Article
a) CHCl3 b) CHI3 c) CHBr3 d) CH (CN)3 Answer: (d) Order lies with –I and –M effect. -I and... View Article
a) Fe = 0.2 ppm b) Cu = 2 ppm c) Mn = 0.5 ppm d) Zn = 0.05 ppm... View Article
(P) FCH2COOH (Q) ClCH2COOH (R) O2NCH2COOH (S) NCCH2COOH a) P > Q > R > S b) R > S... View Article
Answer: (c) It involves Electrophilic addition of alkenes, followed by Nucleophilic substitution mechanism.
a) P > Q > R b) Q > P > R c) R > P > Q d) R... View Article
a) Deutrium, Protium b) Deutrium, Tritium c) Deutrium, Tritium, Protium d) Protium Answer: (c) 1H1,1H2,1H3 Protium, Deutrium and Tritium
a) (4-R)/2R b) (4+R)/2R c) (2-R)/2R d) 2/2 Answer: (a) Given: Mix – Gas A + Gas B Gas A... View Article
a) Slope = −RH b) Slope = RH c) Intercept = RH d) Graph is non-linear Answer: (b) Transition state... View Article
a) 30.3 g b) 15.5 g c) 7.6 g d) 60.6 g Answer: (c) Charge = 0.05 F Amount of... View Article
[A] [B] Rate (M min-1 ) 0.1 0.20 6.93 x 10-3 0.1 0.25 6.93 x 10-3 0.2 0.3 1.386 x... View Article
a) On increasing temperature value of KH increases b) Value of KH increases solubility of gas increases c) Value of... View Article
a) 9 b) 9.4 c) 5.2 d) 5 Answer: (a) H2SO4+2 NH4OH → (NH4)2SO4+ H2O 20 × 0.1 ; 30... View Article
a) (x/m) ∝ (P)1/2 b) (x/m) ∝ (P) c) (x/m) ∝ (P)2 d) (x/m) ∝ (P)0 Answer: (a) According to... View Article
a) 2 b) 4 c) 6 d) 8 Answer:(b) Given: Na2 SO4. ⎯⎯→ Na+ = 92 gm To find: Molality... View Article
Answer: 3 The structure of penicillin is shown below: So, the number of chiral centers = 3
Answer: Work done by the gas = The area under the curve = (Area of the square) + (Area of... View Article
