gjhghdgxgd

 

cwiÿi bvg t cÖgvb NaOH Gi gva¨‡g wf‡bMv‡i (CH₃COOH) cwigvb wbY©q|

 

g~jbxwZ t CH₃COOH GKwU g„`y GwmW Ges NaOH kw³kvwj ÿvi ZvQvov NaOH GKwU †m‡KÛvwi ÷¨ÛvW© c`v_©| cÖgvb NaOH `ªe‡b CH₃COOH ‡hvM Kiv n‡j wb¤œ mgxKib Abymv‡i ci¯úi cÖkwgZ nq|

 

 

CH₃COOH + NaOH = CH₃COONa + H₂O

GLv‡b 1 †gvj CH₃COOH Øviv 1 †gvj NaOH cÖkwgZ nq| `ªe‡bi NbgvÎv MYbv Kivi Rb¨ wb‡¤œi mgxKibwU e¨envi Kiv hvq|

                                               

n_BS_AV_A= n_AS_BV_B

 

wbw`ó AvqZ‡bi cÖgvb NaOH `ªe‡b c`Ë CH<sub>3</sub>COOH `ªeb †hvM K‡i †kl we›`y‡Z CH₃COOH Gi AvqZb wbY©q K‡i Dc‡iv³ mgvxKib Abymv‡i CH₃COOH Gi NbgvÎv MYbv Kiv nq|

 

hš¿cvwZ t

K) 1wU ey¨‡iU

L) 1wU wcÖ‡cBW

            M) 1wU fwjD‡gwUªK d¬v·

N) 1wU KwbK¨vj d¬v·

O) 1wU Køv¤ú ÷¨vÛ

P) 2wU weKvi

Q) 1wU Iqvm †evZj

R) 1wU Wªcvi

S) 1wU KvP `Û

 

ivmvqwbK e¯‘ t

            K) wf‡bMvi

            L) †mvwWqvg nvB‡Wªv·vBW `ªeb

            M) A·vwjK GwmW

            N) †dbd_¨vwjb wb‡`©kK

            O) wWw÷j IqvUvi

D³ cwiÿvwU `ywU av‡c m¤úbœ Kiv nq| h_v-

1) cÖgvb A·vwjK GwmW Øviv NaOH ‡K cªwgZKib|

2) cÖwgZ NaOH Øviv CH₃COOH cwigvb wb‡Y©q|

Kv‡Ri aviv t

avc-1 t cÖgvb A·vwjK GwmW `ªeb `¦viv cÖwgZKib|

1) cÖgvb 0.1M H₂C₂O₄ Gi 100ml `ªeb ‰ZwiKib|

H₂C₂O₄.2H₂O Gi AvbweK fi = 1×2+12×2+16×4+2×18 = 126

GLv‡b W = CMV

             = 0.1×126×0.1

             = 1.26g

wbw³i mvnv‡h¨ mwVKfv‡e 1.26g H₂C₂O₄ ‡g‡c GKwU AvqZwbK døv‡· wb‡q cvwZZ cvwb Øviv d¬v‡·i `vM ch©šÍ c~Y© K‡i fv‡jvfv‡e †b‡o 100ml 0.1M H<sub>2</sub>C<sub>2</sub>O<sub>4</sub> `ªeb ‰Zwi Kiv n‡jv

 

AvbygvwbK 0.1M NaOH `ªeb ˆZwiKib t

NaOH Gi AvbweK fi = 23+16+1=40

 

GLv‡b W = CMV

             = 0.1×40×0.25

             = 1g

wbw³i mvnv‡h¨ mwVKfv‡e 1g NaOH ‡g‡c GKwU AvqZwbK døv‡· wb‡q cvwZZ cvwb Øviv d¬v‡·i `vM ch©šÍ c~Y© K‡i fv‡jvfv‡e †b‡o 250ml 0.1M NaOH `ªeb ‰Zwi Kiv n‡jv|

 

 

NaOH `ªe‡bi cÖwgZKib t

wc‡cU Øviv 10ml cÖgvb A·vwjK GwmW GKwU KwbK¨vj døv‡· wb‡q Zv‡Z 10-15ml cvwZZ cvwb Ges 2-3 ‡dvUv ‡dbd_¨vwjb †hvM Kwi| GKwU ey¨‡i‡Ui 0 `vM ch©šÍ cÖ¯‘ZK…Z NaOH `ªeb c~Y© Kwi| Gevi AbeiZ Av‡jvijmn †dvUvq ‡dvUvq NaOH `ªeb ey¨‡iU ‡_‡K KwbK¨vj d¬v‡· M„wnZ cÖgvb A·vwjK GwmW `ªe‡b †hvM Kwi| wewµqvi mgvwß we›`y‡Z `ªe‡bi eb© ¯’vqx †Mvjvcx n‡e| ZLb NaOH `ªeb ‡hvM eÜ Kwi|  ey¨‡iU n‡Z e¨eüZ NaOH Gi cvV ‡bB| Gf†e cici wZbwU cvV wbB Ges cªvß djvdj Q‡K wjwce× Kwi|

 

cvV msL¨v	H2C2O4 `ªe‡bi AvqZb (ml)	e¨y‡iU n‡Z cvV (NaOH `ªe‡bi AvqZb )			NaOH `ªe‡bi Mo AvqZb
		cÖ_g cvV	‡kl cvV	cv_©K¨
01
02
03

 

wnmve t

           

H₂C₂O₄ + 2NaOH = Na₂C₂O₄  + 2H₂O

 

Avgiv Rvwb,

           

            n_AS_BV_B = n_BS_AV_A

             

                    =

                    =

 

n_A  = H₂C₂O₄ Gi †gvj msL¨v

n_B  = NaOH Gi †gvj msL¨v

V_A = H₂C₂O₄ Gi AvqZb

V_B = NaOH Gi AvqZb

S_A = H₂C₂O₄ Gi NbgvÎv

S_B = NaOH Gi NbgvÎv

A_©vr NaOH Gi NbgvÎv = .. .. .. .. ..

cÖgvb NaOH Øviv wf‡bMv‡ii CH₃COOH Gi cwigvb wbY©q t

wc‡cU Øviv 10ml wf‡bMvi `ªªeb  GKwU KwbK¨vj døv‡· wb‡q Zv‡Z 2-3 ‡dvUv ‡dbd_¨vwjb †hvM Kwi| GKwU ey¨‡i‡Ui 0 `vM ch©šÍ cÖ¯‘ZK…Z NaOH `ªeb c~Y© Kwi| Gevi ey¨‡iU ‡_‡K  †dvUvq ‡dvUvq NaOH `ªeb KwbK¨vj d¬v‡·  †hvM Kwi| wewµqvi mgvwß we›`y‡Z `ªe‡bi eb© ¯’vqx †e¸wb n‡e| ZLb NaOH `ªeb ‡hvM eÜ Kwi|  ey¨‡iU n‡Z e¨eüZ NaOH Gi cvV ‡bB| Gf†e cici wZbwU cvV wbB Ges cªvß djvdj Q‡K wjwce× Kwi|

 

cvV msL¨v	CH3COOH `ªe‡bi AvqZb (ml)	e¨y‡iU n‡Z cvV (NaOH `ªe‡bi AvqZb )			NaOH `ªe‡bi Mo AvqZb
		cÖ_g cvV	‡kl cvV	cv_©K¨
01
02
03

 

wnmve t

1ml 0.1M NaOH  0.0060g CH₃COOH

                        .. .. .. ml .. ..M NaOH  g CH₃COOH

                                                           = .. .. ..g CH₃COOH

10ml wf‡bMv‡i CH₃COOH Gi cwigvb =.. .. .. g

100ml wf‡bMv‡i CH₃COOH Gi cwigvb =

 

djvdj t

            cÖ`Ë wf‡bMv‡i CH₃COOH Gi cwigvb = .. .. ..