Hä vµ tªn:                                                                                              §Ò thi kiÓm tra häc kú m«n ho¸ häc líp 11

Líp:                                                                                                                      N¨m häc 2007-2008

Tr­êng THPT Hoµng DiÖu                                                                                        thêi gian:

 

I.                     TR¾C NGhiÖm (5®)

Khoanh trßn ®¸p ¸n ®óng tr«ng c¸c c©u sau:

 

C©u

Néi dung

1

Cho NH3 lÇn l­ît t¸c dông víi HCl, O2, CO, N2; dung dÞch AlCl3 cã sè ph¶n øng lµ:

  1.                3                               B. 4                             C.5                                 D.2

2.

KhÝ NH3 ch¸y trong O2 cã xóc t¸c lµ Pt, ë 800-9000C thu ®­îc s¶n phÈm chÝnh lµ:

  1.                NO + H2O               B. N2O + H2O                     C. N2+ H2O                                    D. NO + H2                                       

3.

HNO3 cã tÝnh chÊt c¬ b¶n nµo sau ®©y:

  1.                TÝnh AxÝt m¹nh, tÝnh khö m¹nh                   C. TÝnh axÝt m¹nh, TÝnh oxi ho¸ yÕu
  2.                TÝnh oxi ho¸ m¹nh, tÝnh axÝt yÕu                  D. TÝnh axit m¹nh, tÝnh oxi ho¸ m¹nh

4

Cho Cu +HNO3(lo·ng)                               X + Y + H2O (1)

a). Hái X; Y theo thø tù lµ chÊt nµo sau ®©y:

A. Cu(NO3)2 +H2          B. Cu(NO3­)2 + NO                      C. Cu(NO3­­)2 + NH3                                       D. CuO + NO                                                                              

b). sau khi hoµn thµnh vµ c©n b»ng ph¶n øng (1) tæng hÖ sè nguyªn tè tèi gi¶n lµ

A. 20                         B. 22                            C.24                                D. 18

5.

Khi nhiÖt ph©n hoµn toµn KNO3 thu ®­îc s¶n phÈm lµ:

  1.                Na2O + O2                      B. Na + NO2 + O2                   C. NaNO2 + NO2                D. NaNO2 + O2

6.

Cho 0,025 ml H3PO4 t¸c dông võa ®ñ víi V ml NaOH 1M . §Ó t¹o muèi Na3PO4 duy nhÊt. Gi¸ trÞ V lµ

  1.                25 ml                       B. 50 ml                                     C. 7,5 ml                               D. 75 ml

7

Thµnh phÇn ho¸ häc chÝnh cña Supe photfat ®¬n lµ:

  1.                Ca3(PO4                B. Ca(H2PO4)2                             C. CaHPO4                            D. Ca(HPO4)2

8

§em nhiÖt ph©n hoµn toµn 50g CaCO3 thu ®­îc V lit CO2 (®ktc) gi¸ trÞ V lµ:

  1.                22,4 l                        B. 11,2 l                              C. 2,24 l                                  D.1,12 l

9

Thuû tinh cã thµnh phÇn chÝnh lµ SiO2. Kh«ng ding b×nh thuû tinh ®ùng c¸c dung dÞch nµo sau ®©y:

  1.                HCl                            B. NaCl                             C. HNO3                             D. NaOH ®Æc nãng

10

Trong c¸c ph©n ®¹m sau, ph©n ®¹m nµo cã % N cao nhÊt:

  1.                NH4Cl                       B.NH4NO3                          C. (NH4)2CO                       D. (NH4)2SO4           

 

II.                  Bµi tËp tù luËn (5®)

  1.                 Hoµn thµnh s¬ ®å         

                                      (1)                        (4)                            (5)

                           N2                     NO                       NO2                                 HNO3

                                                            

                                                               (2)          (3)

                                                                          NH3

 

  1.                 ViÕt ph­¬ng tr×nh ph©n tö tõ ph­¬ng tr×nh I«n thu gän sau:

a. NH4+ + OH-                 NH3 + H2O

 

b. Ca2+ + PO43-                      Ca(PO4)2

 

  1.                 Cho 14,4 g hçn hîp  Cu vµ CuO t¸c dông víi HCl ®Æc nãng d­ thu ®­îc 4,48 l khÝ mï ®á n©u (®ktc), s¶n phÈm khö duy nhÊt

a.                       ViÕt ph¶n øng

b. TÝnh khèi l­îng cña Cu vµ CuO, vµ tÝnh % cña chóng trong hçn hîp ban ®Çu.

 

nguon VI OLET