Title RACE-INORGANIC CHEMISTRY 2022-23.pdf ✅

INORGANIC CHEMISTRY 01 PERIODIC TABLE 1 02 CHEMICAL BONDING 8 03 COORDINATION COMPOUNDS & 16 d-BLOCK COMPOUNDS 04 p-BLOCK ELEMENT 26 05 s-BLOCK ELEMENTS 32 06 METALLURGY 34 Race No. Page No. TOPIC NAME CONTENTS
TARGET : PRE-MEDICAL 2023 INORGANIC CHEMISTRY PERIODIC TABLE 1. Correct order of ionic Radii is :- (1) Yb+3 < Pm+3 < La+3 < Ce+3 (2) Ce+3 < Yb+3 < Pm+3 < La+3 (3) Yb+3 < Pm+3 < Ce+3 < La+3 (4) Pm+3 < La+3 < Ce+3 < Yb+3 2. If periodic table would have contained 10 periods, maximum elements in that P.T. would be ? (1) 72 (2) 190 (3) 144 (4) 290 3. Which of the following statement is not correct? 23 A B C (1) Atomic no. of A, B, C are 40,57, 105 resp. (2) Group no of A, B, C are IV B, III B and V B respectively (3) Period no of A, B, C are, 4th, 5th and 6th resp. (4) C is a radioactive element 4. In elements, the incoming electron occupies which subshell after (n–1)d subshell :- (1) np (2) ns (3) (n–1)d (4) (n+1)s 5. Which two elements are in same period as well as in same group of periodic table ? (1) Z = 23, Z = 31 (2) Z = 65, Z = 66 (3) Z = 52, Z = 87 (4) Z = 58, Z = 46 6. Incorrect statement for radius of 3d series metal/ions: (1) Metallic radius of Mn is higher than that of Cr and Fe (2) I.EII of Mn is greater than IE2 of Cr (3) Fe, Co, Ni have almost same atomic radius (4) Irregular trend of atomic radius on moving from Sc to Zn 7. Which of the following statement is not correct (1) Inert gases have a different number of outermost electrons than their group number (2) In the sixth period the orbitals being filled are 6s, 4f, 5d, 6p (3) The second transition series contains the elements from Y to Cd. (4) O–2 has the same no. of e– s in its outermost as well as penultimate shell 8. Which of the following statement is not correct? (1) Tc and Pm are not found in nature (2) Element having ns2 np5 configuration are placed in the column before, the extreme right in the P.T. (3) Most of the man made element occurs in the actinoid series (4) The 3d - transition series contains elements having atomic number from 21 to 29 9. Which of the following statement is not correct? (1) In the transition elements the incoming e– occupy (n–1)d subshell in preference to np. (2) Elements having atomic number 57 to 71 belong to same group (3) Lanthanum is the first element of Lanthanoid series. (4) Actinium violates the Aufbau's principle 10. Total number of elements of 6th period which have one or more than one 4d electrons :- (1) 10 (2) 16 (3) 32 (4) Zero 11. Suppose an orbital may accomodate 3 electrons then the number of elements in IV period :- (1) 18 (2) 27 (3) 12 (4) 45 12. Which of the following is not correctly matched? (1) [Xe] 4f14 5d10 6s2 o Transition element (2) [Rn] 5f14 6d1 7s2 o Inner transition element (3) [Xe] 4f14 5d10 6s2 6p6 7s2 o Representative element (4) [Xe] 4f14 5d2 6s2 o d-block element 13. An element whose IUPAC name is ununtrium (Uut) belongs to :- (1) s-block (2) p-block (3) d-block (4) ƒ-block 14. Which of the following fact is not explainable by lanthanoid contraction ? (1) I.E. of Ag < Au (2) I.E.I of Hg > Cd (3) Size of Hf Zr (4) Size of Y < La 15. Which of the following property gradually increases from C to F ? (1) I.P (2) E.A. (3) Shielding Constant (4) All of these
TARGET : PRE-MEDICAL 2023 INORGANIC CHEMISTRY 16. Which of the following statement is not correct? (1) The first ionisation energies (in kJ mol–1) of carbon, silicon, germanium, tin and lead are 1086, 786, 761, 708 and 715 respectively. (2) Down the group, electronegativity decreases regularly from B to Tl in boron family (3) Among oxides of the carbon family, CO is neutral, GeO2 is acidic and SnO is amphoteric. (4) The 4f-and 5f-inner transition elements are placed separately at the bottom of the periodic table to maintain its structure. 17. Select the correct statements of the following:- (a) Effective nuclear charge for nitrogen is 3.90 (b) IP of Ne is more than Na+ (c) Order of electronegativity- sp > sp2 > sp3 (d) Order of acidic character- NH3 < PH3 Mg (2) Na < Al (3) K > Na (4) Sc < Ti 23. Lanthanoid contraction will not have any influence when we compare size of :- (1) Zr & Hf (2) Y & La (3) Mo & W (4) Tc & Re 24. In which one of the following pairs the radius of the second specie is greater than that of the first ? (1) O–2, N–3 (2) Na, Mg (3) Al, Be (4) Li+ , Be+2 25. Pair of smallest and largest species of radii among Mg, Al, Mg+2, Al+3 is :- (1) Mg+2 , Mg (2) Al+3, Mg (3) Mg+2, Al (4) Al+3, Al 26. The correct order of increasing order of size is:- (1) S < O < Se < C (2) O < C < S < Se (3) O < Se < S < C (4) C < O < S < Se 27. The order of basic character of given oxides is:- (1) Na2O > MgO > Al2O3 > Cl2O7 (2) MgO > Al2O3 > Cl2O7 > Na2O (3) Al2O3 > MgO > Cl2O7 > Na2O (4) Cl2O7 > Na2O > MgO > Al2O3 28. Correct order of Ionic radii :- (1) Ti4+ < Mn7+ (2) Cr+6 > Cr3+ (3) K+ > Cl– (4) P3+ > P+5