IIT JEE CHEMISTRY DPP BY :PJOY

IIT-JEE CHEMISTRY P. JOY CLASS TEST - 2 (INORGANIC) Dear student following is an Easy level [ ] test paper. A score of 25 marks in 15 minutes would be a satisfactory performance: Q.No. 1 to 14 (+3, –1). (M.M. 42) Name : ....................... ............ ....................................................................... Roll No. : .................................. CHEMISTR Y IIT JEE (CLASS TEST - 2) (INORGAN IC) AN S WE R KE Y M.M. 42 & Single option correct A B C D 1. 2. 3. 4. A B C D 5. 6. 7. 8. 9. A B C D 10 . 11. 12 . 13 . 14 . Q.1 H—B—H bo nd angl e i n BH 4 – is : (A) 180 0 (B) 120 0 (C) 109 0 (D) 90 0 Q.2 The percentage of p- char acter in the hybridisation state of carbon in CH 4 , CH 3 + and CH 3 – respectively will be (A) 75, 50, 50 (B) 75, 66.7, 50 (C) 75, 66.7, 75 (D) 50, 50, 75. Q.3 The mol ec ul e i n whic h t he central a tom is surrounded by five electron pairs of which two are lone pa irs is : (A) PCl 5 (B) PCl 3 (C) ClF 3 (D) IF 5 . Q.4 What is the steric number for the central phosphorus atom in phosphoryl chloride, POCl 3 ? (A) 1 (B) 2 (C) 3 (D) 4 Q.5 Which of th e fo ll owing i ons cannot be formed ? (A) [SiF 6 ] 2– (B) [AlF 6 ] 3– (C) [BF 6 ] 3– (D) [BF 4 ] – Q.6 Choose the molecule in which hydridisation occur in the ground state (A) BCl 3 (B) PCl 5 (C) PCl 3 (D) BeF 2 Q.7 The maxi mum number of σ bonds between two atoms is (A) 3 (B) 2 (C) 1 (D) 4 & Q. 8 Which of the following c ompo und have ionic, covalent and coordinate bonding. (A) KCN (B) NH 4 Cl (C) H 3 O + (D) BF 4 – Q. 9 In formation of S O 4 2– sulfur uses its (A) Ground state (B) First excited state (C) Second excited state (D) Third excited state Q. 10 How man y pur e p- orbitals ar e pr esent in nitrogen molecule. (A) 4 (B) 2 (C) 0 (D) 1 Q.11 Which of the following pairs of compounds do not exist ? (A) PCl 5 , SF 4 (B) NCl 5 , OF 6 (C) OF 2 , SF 6 (D) POCl 3 , NO 2 Q.1 2 Exp ansion o f oct et ar oun d cen tra l atom does not take place in (A) SF 4 (B) BrF 3 (C) XeF 4 (D) CF 4 Q.13 NH 2 – , NH 3 and NH 4 + do no t show similarity in the following : (A) Hybridisation state of Nitrogen (B) Number of lone pair of electrons (C) Atomic number of nitrogen (D) Type of orbital overlapping in N—H Q. 14 How many elec tro ns ar e present in ammonium ion NH 4 + (A) 10 (B) 8 (C) 9 (D) 7 For more such DPP’s SMS’s us at : 099828-12345 or E-mail : [email protected]

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IIT JEE CHEMISTRY DPP BY :PJOY